calendar::detail Namespace Reference

Functions
template<IsDuration From, IsDuration To>
constexpr auto	checked_duration_cast (const From elapsed) -> To
	Cast an arithmetic duration to a signed integral duration without overflowing intermediates.
template<IsDuration Duration>
constexpr auto	checked_time_of_day (const Duration elapsed) -> nanoseconds
	Validate the original and converted day durations and return the nanosecond count.
template<IsDuration Duration> requires std::integral<typename Duration::rep>
constexpr auto	checked_day (const Duration elapsed) -> days
	Floor an integral epoch duration to a day within the Gregorian year range.
template<IsDuration Duration> requires std::floating_point<typename Duration::rep>
constexpr auto	checked_day (const Duration elapsed) -> days
	Floor a floating epoch duration, checking the original and rounded day ranges.
template<IsDuration Duration> requires std::integral<typename Duration::rep>
constexpr auto	time_of_day (const Duration elapsed, const days day) -> nanoseconds
	Return the checked day remainder without overflowing integral intermediates.
template<IsDuration Duration> requires std::floating_point<typename Duration::rep>
constexpr auto	time_of_day (const Duration elapsed, const days day) -> nanoseconds
	Reject unrepresentable floating remainders of an epoch duration.

Variables
constexpr auto	FIRST_GREGORIAN_DAY
constexpr auto	END_GREGORIAN_DAY

Function Documentation

checked_day() [1/2]

template<IsDuration Duration>
requires std::floating_point<typename Duration::rep>

auto calendar::detail::checked_day ( const Duration elapsed ) ->days

nodiscardconstexpr

Floor a floating epoch duration, checking the original and rounded day ranges.

checked_day() [2/2]

template<IsDuration Duration>
requires std::integral<typename Duration::rep>

auto calendar::detail::checked_day ( const Duration elapsed ) ->days

nodiscardconstexpr

Floor an integral epoch duration to a day within the Gregorian year range.

checked_duration_cast()

template<IsDuration From, IsDuration To>

auto calendar::detail::checked_duration_cast ( const From elapsed ) ->To

nodiscardconstexpr

Cast an arithmetic duration to a signed integral duration without overflowing intermediates.

checked_time_of_day()

template<IsDuration Duration>

auto calendar::detail::checked_time_of_day ( const Duration elapsed ) ->nanoseconds

nodiscardconstexpr

Validate the original and converted day durations and return the nanosecond count.

time_of_day() [1/2]

template<IsDuration Duration>
requires std::floating_point<typename Duration::rep>

auto calendar::detail::time_of_day ( const Duration elapsed, const days day )->nanoseconds

nodiscardconstexpr

Reject unrepresentable floating remainders of an epoch duration.

time_of_day() [2/2]

template<IsDuration Duration>
requires std::integral<typename Duration::rep>

auto calendar::detail::time_of_day ( const Duration elapsed, const days day )->nanoseconds

nodiscardconstexpr

Return the checked day remainder without overflowing integral intermediates.

Variable Documentation

END_GREGORIAN_DAY

auto calendar::detail::END_GREGORIAN_DAY

inlineconstexpr

FIRST_GREGORIAN_DAY

auto calendar::detail::FIRST_GREGORIAN_DAY

inlineconstexpr